You will need:

• Blank NFC tags
• NFC enabled Android smartphone
• Writing app (NXP Tagwriter)

1. Get NFC Tags

You will need blank NFC tags before you can start writing information to them. Double check to make sure they are blank and not locked, as you can never re-write an NFC tag once it has been write locked. For more information, see our article on the technical details of NFC chips.

2. Install an NFC Tag Writing App

We recommend “TagWriter” by NXP and will be using it for this guide. 

3. Write the Tag

Once NXP TagWriter is installed, launch the app and select “Write Tags” at the top right.

Now choose “New dataset.”

You will be presented with a few different options of what to write to your tags. Select the “Link” option to enter a URL.

Make sure to select either http:// or https:// as the URI type, then enter your domain under the URI type data field. 

Note: Do NOT put anything in the “Description” field. Adding a description will cause the tag to be unreadable for iOS devices.‍

Now, select “Save & Write."

You will see multiple options on the next screen. To simply write to one blank NFC tag, make sure all of these options are unchecked. 

Finally, select “Write” at the bottom of the screen and tap the back of your phone to a blank NFC tag as if you were going to read it. This writes the URL to the tag. 

Congratulations, you’ve just encoded your first NFC tag! A confirmation screen will appear showing that the tag has been successfully written with the data you chose.

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